Nana vs gram

Nana

name
  • One's grandmother. 

  • A governess. 

  • A Japanese female given name from Japanese 

gram

noun
  • The seeds of these plants. 

  • A unit of mass equal to one-thousandth of a kilogram. Symbol: g. 

  • A leguminous plant grown for its seeds, especially the chickpea. 

  • Grandmother. 

How often have the words Nana and gram occurred in a corpus of books? (source: Google Ngram Viewer )